[INFO] cloning repository https://github.com/delimce/rustafari
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/delimce/rustafari" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelimce%2Frustafari", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelimce%2Frustafari'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fafa33a8b6e3bf26ef9ac0b9c605ce11886e5b5
[INFO] checking delimce/rustafari against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdelimce%2Frustafari" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/delimce/rustafari on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/delimce/rustafari
[INFO] finished tweaking git repo https://github.com/delimce/rustafari
[INFO] tweaked toml for git repo https://github.com/delimce/rustafari written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/delimce/rustafari already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7c53abda8373f5518b9cc49c8c0c0985723f8c349d893f54497a6f89058c48
[INFO] running `Command { std: "docker" "start" "-a" "0d7c53abda8373f5518b9cc49c8c0c0985723f8c349d893f54497a6f89058c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7c53abda8373f5518b9cc49c8c0c0985723f8c349d893f54497a6f89058c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7c53abda8373f5518b9cc49c8c0c0985723f8c349d893f54497a6f89058c48", kill_on_drop: false }`
[INFO] [stdout] 0d7c53abda8373f5518b9cc49c8c0c0985723f8c349d893f54497a6f89058c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ae6066c67c9d83ed25ba7d7446b43fde6315986b1f5061fed7f560ddf066814
[INFO] running `Command { std: "docker" "start" "-a" "6ae6066c67c9d83ed25ba7d7446b43fde6315986b1f5061fed7f560ddf066814", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]    Compiling sys-info v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking mac_address v1.1.5
[INFO] [stderr]     Checking os_info v3.7.0
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.4
[INFO] [stderr]     Checking local-ip-address v0.5.6
[INFO] [stderr]     Checking rustafari v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `os_info` is imported redundantly
[INFO] [stdout]  --> src/modules/initial/../../drivers/hardware.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use os_info;
[INFO] [stdout]   |     ^^^^^^^ the item `os_info` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `units` should have an upper camel case name
[INFO] [stdout]  --> src/modules/initial/../shared/formats.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct units{
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Units`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `os_info` is imported redundantly
[INFO] [stdout]  --> src/modules/initial/../../drivers/hardware.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use os_info;
[INFO] [stdout]   |     ^^^^^^^ the item `os_info` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `units` should have an upper camel case name
[INFO] [stdout]  --> src/modules/initial/../shared/formats.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct units{
[INFO] [stdout]   |            ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Units`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/modules/initial/../../drivers/hardware.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mem_free` is never used
[INFO] [stdout]    --> src/modules/initial/../../drivers/hardware.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn get_mem_free() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_disk_free` is never used
[INFO] [stdout]    --> src/modules/initial/../../drivers/hardware.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_disk_free() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `units` is never constructed
[INFO] [stdout]  --> src/modules/initial/../shared/formats.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct units{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_bytes_to_mb` is never used
[INFO] [stdout]   --> src/modules/initial/../shared/formats.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn from_bytes_to_mb(bytes: u64) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/modules/initial/../../drivers/hardware.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_mem_free` is never used
[INFO] [stdout]    --> src/modules/initial/../../drivers/hardware.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | pub fn get_mem_free() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_disk_free` is never used
[INFO] [stdout]    --> src/modules/initial/../../drivers/hardware.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 | pub fn get_disk_free() -> u64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `units` is never constructed
[INFO] [stdout]  --> src/modules/initial/../shared/formats.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct units{
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_bytes_to_mb` is never used
[INFO] [stdout]   --> src/modules/initial/../shared/formats.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn from_bytes_to_mb(bytes: u64) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.59s
[INFO] running `Command { std: "docker" "inspect" "6ae6066c67c9d83ed25ba7d7446b43fde6315986b1f5061fed7f560ddf066814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae6066c67c9d83ed25ba7d7446b43fde6315986b1f5061fed7f560ddf066814", kill_on_drop: false }`
[INFO] [stdout] 6ae6066c67c9d83ed25ba7d7446b43fde6315986b1f5061fed7f560ddf066814